Spin-off Effect

From Conservapedia

In relation to economics, a spin-off effect is the reaction to a new injection of capital in an economy. For example, if a multinational company builds a plant in a mid-sized town that employs five hundred people, not only will demand for general consumer goods, property etc. increase as a result (causing more employment) but smaller, local firms will inevitably set up to sell goods required by the plant and its workers.